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Just go wit the 80 if can get a good price on it save u the headacke of breaking down any were and the down time lol I just blew my 60 last sat only wit a lil blower. So I will b looking to do an 80 soon gl

 

bummer man sorry to hear bout that.....was the tranny built

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I have a 4L80E in my truck. What is so special about it I mean I love it, it's one hell of a trans. But compared to the sss 4L60E why does everyone want an 80E???

 

the 80e has a way bigger shafts , bigger oil pan if i remember right, and an extra clutch pack too if i was told right... over all its a beefed up 65 or what the 65 should of been maybe with smaller gears thou.

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i thought the 4l80e was essentially a TH400 with overdrive. Thats why it was only put behind the bigger engines and trucks much like the th400 was back in the day. So its the same upgrading to the 4l80e from 4l60e as we used to do with the th350 and th400. but if you arent making tons of power those bigger internals will cost you some rwhp. later. gary

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i thought the 4l80e was essentially a TH400 with overdrive. Thats why it was only put behind the bigger engines and trucks much like the th400 was back in the day. So its the same upgrading to the 4l80e from 4l60e as we used to do with the th350 and th400. but if you arent making tons of power those bigger internals will cost you some rwhp. later. gary

 

 

yes that is true.

 

th350>700r4>4l60>4l60/65/70e

th400>4l80>4l80e

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